The document discusses three frameworks for teacher leadership: professional learning communities (PLCs), communities of practice (CoPs), and critical friends groups (CFGs). It provides definitions and characteristics of each. PLCs focus on using data to improve student learning through collaboration. CoPs are groups that share knowledge and expertise. CFGs aim to improve teaching through peer observation and feedback. The document analyzes which framework best fits a leadership initiative to integrate technology into music classes. It determines a PLC is the best approach as it can encourage collaboration to benefit student learning while setting goals and expectations.